Patents by Inventor Fengli JI
Fengli JI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11917893Abstract: A mask plate, a method for manufacturing a mask plate, and a method for manufacturing an organic light-emitting device are disclosed. The mask plate includes a substrate and a first opening portion and a second opening portion formed on the substrate. The first opening portion includes a first edge and a second edge, an extending line of the first edge and an extending line of the second edge intersect at a first vertex to form a first corner, the second opening portion is at the first corner and protrudes outward, and an edge of the second opening portion intersects with the first edge and the second edge. The first opening portion and the second opening portion are used for evaporation on a display area of an organic light-emitting device, and the second opening portion is used to compensate for a corner of the display area during evaporation.Type: GrantFiled: October 22, 2019Date of Patent: February 27, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Peng Xu, Jiangtao Deng, Fengli Ji
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Patent number: 11885005Abstract: A mask, a manufacturing method therefor, and a manufacturing method for a display substrate are provided. The mask includes: a first clamping region and a second clamping region, which are opposite to each other in a first direction, and at least one mesh region between the first clamping region and the second clamping region, the mesh region is in a first shape, in a case where the mask is stretched in the first direction, the mesh region is in a target shape, the target shape is different from the first shape, and the target shape includes a polygon shape, a circle shape, or an ellipse shape.Type: GrantFiled: October 16, 2019Date of Patent: January 30, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chang Luo, Fengli Ji, Jianpeng Wu, Zhongying Yang
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Publication number: 20240016019Abstract: First sub-pixels and third sub-pixels are alternated in first and second directions to form first type of rows along the first direction and first type of columns along the second direction, and second sub-pixels form second type of rows along the first direction and second type of columns along the second direction. In at least one first type of row, a connection line between centers of first and third sub-pixels adjacent to each other is not parallel to the first direction, a connection line between centers of first sub-pixels adjacent to each other is parallel to the first direction, and a connection line between centers of third sub-pixels adjacent to each other is parallel to the first direction. In at least one of the second type of rows, a connection line between centers of second sub-pixels adjacent to each other is parallel to the first direction.Type: ApplicationFiled: September 21, 2023Publication date: January 11, 2024Inventors: Leifang Xiao, Fengli Ji, Sen Du
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Publication number: 20240008335Abstract: Display substrate, display device, high-precision metal mask are provided. Display substrate includes: first, second, and third sub-pixels; in first direction, first and third sub-pixels are alternately arranged to form first sub-pixel rows, second sub-pixels form second sub-pixel rows; in second direction, first and second sub-pixel rows are alternately arranged; two first and two third sub-pixels in two adjacent rows and two adjacent columns form 2*2 array; in the array, two first sub-pixels are in different rows and in different columns, so are the two third sub-pixels, connection lines of centers of two first and two third sub-pixels form virtual quadrilateral, second sub-pixel is within virtual quadrilateral; for multiple distances from centers of two first and two third sub-pixels corresponding to same virtual quadrilateral to center of second sub-pixel, at least two distances are different. Brightness centers of virtual pixels have more uniform distribution.Type: ApplicationFiled: September 18, 2023Publication date: January 4, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tong NIU, Ming HU, Chang LUO, Jianpeng WU, Benlian WANG, Fengli JI, Peng XU, Qian XU, Guomeng ZHANG, Yan HUANG
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Patent number: 11864447Abstract: Display substrate, display device, high-precision metal mask are provided. Display substrate includes: first, second, and third sub-pixels; in first direction, first and third sub-pixels are alternately arranged to form first sub-pixel rows, second sub-pixels form second sub-pixel rows; in second direction, first and second sub-pixel rows are alternately arranged; two first and two third sub-pixels in two adjacent rows and two adjacent columns form 2*2 array; in the array, two first sub-pixels are in different rows and in different columns, so are the two third sub-pixels, connection lines of centers of two first and two third sub-pixels form virtual quadrilateral, second sub-pixel is within virtual quadrilateral; for multiple distances from centers of two first and two third sub-pixels corresponding to same virtual quadrilateral to center of second sub-pixel, at least two distances are different. Brightness centers of virtual pixels have more uniform distribution.Type: GrantFiled: September 30, 2020Date of Patent: January 2, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tong Niu, Ming Hu, Chang Luo, Jianpeng Wu, Benlian Wang, Fengli Ji, Peng Xu, Qian Xu, Guomeng Zhang, Yan Huang
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Patent number: 11864426Abstract: An array substrate, a manufacturing method thereof, and a display device are provided. The array substrate includes: a base substrate; a light-emitting functional layer including a first light-emitting functional portion and a second light-emitting functional portion adjacent to each other; and a photo spacer (PS), the PS is located between the first light-emitting functional portion and the second light-emitting functional portion, the PS includes a plurality of protrusions protruded in a direction away from the base substrate and a first recess located between adjacent protrusions.Type: GrantFiled: May 14, 2019Date of Patent: January 2, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chang Luo, Fengli Ji, Jianpeng Wu
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Patent number: 11800771Abstract: A display substrate includes a plurality of first pixels and a plurality of second pixels alternately arranged in a first direction and a second direction. Each of the first pixels includes a first sub-pixel and a second sub-pixel, and each of the second pixels includes a third sub-pixel and a second sub-pixel. The second sub-pixels are evenly arranged in a matrix. The first sub-pixel and the third sub-pixel are both in a polygonal shape, and are alternately arranged in the first direction and the second direction. For one first sub-pixel and one third sub-pixel adjacent to each other in the first direction, a line connecting a vertex of the one first sub-pixel closest to the one third sub-pixel with a vertex of the one third sub-pixel closest to the one first sub-pixel intersects an extension line in the first direction and an extension line in the second direction.Type: GrantFiled: September 20, 2021Date of Patent: October 24, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Leifang Xiao, Fengli Ji, Sen Du
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Patent number: 11800780Abstract: Disclosed are a mask device, a manufacturing method thereof, an evaporation method and a display device. The mask device includes: a mask frame; at least one first mask strip extending in a first direction, at least one second mask strip extending in a second direction, and a first mask plate extending in the first direction, which are fixed on the mask frame. The first direction crosses the second direction, the first mask strip and the second mask strip are intersected to define at least one mask opening, the first mask plate includes a mask pattern region, and the mask pattern region includes a first group of through holes covered by an orthographic projection of the at least one mask opening on the first mask plate, and a second group of through holes covered by an orthographic projection of the first and second mask strips on the first mask plate.Type: GrantFiled: September 12, 2019Date of Patent: October 24, 2023Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Fengli Ji
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Patent number: 11795537Abstract: Provided is a mask assembly, including at least n evaporation masks, n being an integer greater than 2, wherein the at least n evaporation masks have a same width and the at least n evaporation masks respectively correspond to n types of display panels with different sizes, the width matching the n types of display panels with different sizes.Type: GrantFiled: June 23, 2021Date of Patent: October 24, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Guomeng Zhang, Fengli Ji, Yan Huang
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Patent number: 11789573Abstract: The present disclosure provides a touch display panel, a touch display device and a manufacturing method. The touch display panel includes: a display substrate including a display area and a non-display area adjacent to the display area, wherein the non-display area includes a special-shaped area; and a touch electrode layer on the display substrate. The touch electrode layer includes a plurality of first electrodes and a plurality of second electrodes arranged in an array. The first electrodes are insulated from the second electrodes. The special-shaped area is an area that causes at least one of the plurality of first electrodes or at least one of the plurality of second electrodes to be incomplete. An orthographic projection of a part of the touch electrode layer on the display substrate overlaps with an orthographic projection of a part of the special-shaped area on the display substrate.Type: GrantFiled: September 7, 2020Date of Patent: October 17, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yuanqi Zhang, Tingliang Liu, Wei Wang, Yi Zhang, Fengli Ji, Chang Luo
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Patent number: 11785821Abstract: A display substrate and a related device, and belongs to the field of display technology. The display substrate includes first subpixels, a second subpixels and third subpixels. In a first direction, the first subpixels and the third subpixels are arranged alternately to form a plurality of first subpixel rows, the second subpixels form a plurality of second subpixel rows, the first subpixel rows and the second subpixel rows are arranged alternately in a second direction, lines connecting centers of two first subpixels and two third subpixels in two adjacent rows and two adjacent columns form a first virtual quadrilateral, the two first subpixels are arranged at two opposite vertices of the first virtual quadrilateral, the first virtual quadrilateral includes an interior angle a not equal to 90°, and the second subpixel is arranged within the first virtual quadrilateral.Type: GrantFiled: September 30, 2020Date of Patent: October 10, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chang Luo, Ming Hu, Qian Xu, Jianpeng Wu, Tong Niu, Yan Huang, Guomeng Zhang, Benlian Wang, Peng Xu, Fengli Ji, Yi Zhang
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Publication number: 20230314674Abstract: A display substrate and a display device are provided. The display substrate includes a plurality of repeat units. Each of the plurality of repeat units includes one first-color sub-pixel, one second-color sub-pixel pair and one third-color sub-pixel which are arranged in a first direction, the second-color sub-pixel pair includes two second-color sub-pixels arranging in a second direction. In three sub-pixels of different colors which are adjacent to each other, orthographic projections of light-emitting layers of at least two sub-pixels adjacent to each other on the base substrate are overlapped or connected, and a spacing is disposed between at least part of the light-emitting layers of two sub-pixels which are adjacent to each other.Type: ApplicationFiled: April 28, 2023Publication date: October 5, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fengli JI, Chang LUO, Jianpeng WU, Lujiang HUANGFU
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Patent number: 11747531Abstract: A display substrate, a fine metal mask set and a manufacturing method thereof are provided. The display substrate includes a plurality of repeat units. Each of the plurality of repeat units includes one first-color sub-pixel, one second-color sub-pixel pair and one third-color sub-pixel which are arranged in a first direction, the second-color sub-pixel pair includes two second-color sub-pixels arranging in a second direction. Light-emitting layers of adjacent sub-pixels of two different colors in the first direction are connected with each other; light-emitting layers of the third-color sub-pixel and the second-color sub-pixel which are adjacent to each other in the second direction are connected with each other; and a spacing is disposed between the light-emitting layer of the first-color sub-pixel and the light-emitting layer of at least one of the second-color sub-pixel and the third-color sub-pixel which are adjacent to the first-color sub-pixel in the second direction.Type: GrantFiled: August 4, 2022Date of Patent: September 5, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fengli Ji, Chang Luo, Jianpeng Wu, Lujiang Huangfu
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Publication number: 20230167536Abstract: The mask for evaporation includes a plurality of predetermined areas, each of the predetermined areas includes an opening and a blocking area, the blocking area includes a first area, a second area and a third area, first area has a first surface and a second surface, second area has a third surface and a fourth surface, third area has a fifth surface and a sixth surface, first surface, third surface and fifth surface are located on a same one side of mask, and second surface, fourth surface and sixth surface are located on a same one side of mask, thickness of second area is greater than thickness of first area and thickness of third area, first surface and third surface flush, and a plane where sixth surface is located is located between a plane where third surface is located and a plane where the fourth surface is located.Type: ApplicationFiled: May 12, 2021Publication date: June 1, 2023Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yan Huang, Yi Ma, Fengli Ji, Chang Luo, Guomeng Zhang, Jianbo Li
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Publication number: 20230143544Abstract: A display substrate, a display device, a high-precision metal mask are provided. The display substrate includes first, second, third sub-pixels. In first direction, first and third sub-pixels are alternant to form first sub-pixel rows, second sub-pixels form second sub-pixel rows. In second direction, first and second sub-pixel rows are alternant, first direction is approximately perpendicular to second direction. Two first and two third sub-pixels in two adjacent rows and two adjacent columns form a 2*2 array, in the array, two first sub-pixels are in different rows and different columns, two third sub-pixels are in different rows and different columns, at least one of two first and two third sub-pixels is a pattern where corner is cut off, connection lines of centers of two first and two third sub-pixels form non-square virtual quadrilateral, and second sub-pixel is within virtual quadrilateral. The display effect can be improved.Type: ApplicationFiled: November 30, 2020Publication date: May 11, 2023Inventors: Guomeng ZHANG, Yan HUANG, Ming HU, Tong NIU, Qian XU, Chang LUO, Jianpeng WU, Peng XU, Fengli JI, Benlian WANG
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Publication number: 20230132617Abstract: A display substrate and a display apparatus are provided. The display substrate includes a base substrate, a crack detection line and an electrostatic discharge element electrically connected to the crack detection line. The base substrate includes a main body area, an auxiliary area, and a necked-down area connecting the main body area and the auxiliary area, and a display area of the display substrate is in the main body area. The crack detection line surrounds, at least in part, the display area and extends through the necked-down area to the auxiliary area. A length direction of the necked-down area is parallel to a first direction; the main body area, the necked-down area and the auxiliary area are connected in a second direction intersecting the first direction; and the electrostatic discharge element is located in the auxiliary area.Type: ApplicationFiled: July 26, 2021Publication date: May 4, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tong NIU, Peng XU, Wenhui GAO, Siyu WANG, Fengli JI
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Publication number: 20230138125Abstract: Provided by the present disclosure are a mask assembly and a manufacturing method thereof. In the mask assembly, a plurality of connecting posts are arranged at intervals on an outer periphery of a body of a metal plate, and a plurality of grooves matched with the connecting posts are arranged on a metal frame.Type: ApplicationFiled: December 29, 2020Publication date: May 4, 2023Inventors: Fengli JI, Jinsan PARK, Yidan ZHU
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Patent number: 11572616Abstract: Disclosed are a mask strip, a mask plate frame, a mask plate, and a welding method thereof. The mask strip includes a first welding region, a second welding region, and a pattern region between the first welding region and the second welding region. In addition, a bendable region is disposed both between the first welding region and the pattern region and between the second welding region and the pattern region.Type: GrantFiled: June 26, 2020Date of Patent: February 7, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chang Luo, Fengli Ji, Jianpeng Wu, Xiaoyu Yang
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Patent number: 11569302Abstract: A pixel arrangement structure, a display substrate and a mask group are disclosed. The pixel arrangement structure includes a plurality of pixel groups, each of the plurality of pixel groups includes one red sub-pixel, two green sub-pixels and one blue sub-pixel; the red sub-pixel and the blue sub-pixel are arranged along a first direction; the two green sub-pixels are arranged along a second direction. Four vertexes included in the red sub-pixel are located in a first virtual rhombus and are substantially coincident with four vertexes of the first virtual rhombus, respectively; four vertexes included in the blue sub-pixel are located in a second virtual rhombus and are substantially coincident with four vertexes of the second virtual rhombus, respectively; at least one of the red or the blue sub-pixel has a shape of a corresponding virtual rhombus with each side of the virtual rhombus being an inwardly concaved side.Type: GrantFiled: June 23, 2020Date of Patent: January 31, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fengli Ji, Hongli Wang, Xueguang Hao
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Patent number: 11561465Abstract: A pixel arrangement structure includes a plurality of pixel groups that are periodically arranged. Each pixel group includes four pixels, a first pixel (310) and a second pixel (320) are arranged in a same row, a third pixel (330) and a fourth pixel (340) are arranged in adjacent another row, the first pixel (310) and the third pixel (330) are arranged in a same column, and the second pixel (320) and the fourth pixel (340) are arranged in adjacent another column. An arrangement of sub-pixels in the first pixel (310) is different from an arrangement of sub-pixels in the second pixel (320), an arrangement of sub-pixels in the third pixel (330) is same as the arrangement of the sub-pixels in the second pixel (320), and an arrangement of sub-pixels in the fourth pixel (340) is same as the arrangement of the sub-pixels in the first pixel (310).Type: GrantFiled: December 23, 2020Date of Patent: January 24, 2023Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Fengli Ji